/* ============================================
   Design tokens
   ============================================ */
:root {
  --bg: #f7f5f1;
  --card: #ffffff;
  --text: #1a1d23;
  --text-sub: #6b7280;
  --border: rgba(20, 24, 34, 0.08);
  --shadow: 0 2px 8px rgba(20, 24, 34, 0.04);
  --shadow-hover: 0 14px 32px rgba(20, 24, 34, 0.12);
  --accent-grad: linear-gradient(120deg, #ffb000, #ff5a4d);
  --marker: #ffe1a8;
  --chip-bg: rgba(20, 24, 34, 0.05);
  --glass: rgba(247, 245, 241, 0.75);
  --radius: 20px;
}

:root[data-theme="dark"] {
  --bg: #12161e;
  --card: #1b222d;
  --text: #f2f4f8;
  --text-sub: #99a1b0;
  --border: rgba(255, 255, 255, 0.09);
  --shadow: 0 2px 8px rgba(0, 0, 0, 0.25);
  --shadow-hover: 0 14px 32px rgba(0, 0, 0, 0.45);
  --marker: rgba(255, 176, 0, 0.35);
  --chip-bg: rgba(255, 255, 255, 0.07);
  --glass: rgba(18, 22, 30, 0.75);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: "Inter", "Noto Sans JP", "Hiragino Kaku Gothic ProN", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  transition: background 0.3s, color 0.3s;
}

/* ============================================
   プログレスバー
   ============================================ */
.progress-bar {
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  width: 0%;
  background: var(--accent-grad);
  z-index: 100;
}

/* ============================================
   ヘッダー
   ============================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--glass);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: 0.06em;
  color: var(--text);
  text-decoration: none;
}

.logo-dot {
  background: var(--accent-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.theme-toggle {
  width: 40px; height: 40px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--card);
  cursor: pointer;
  font-size: 1.1rem;
  display: grid;
  place-items: center;
  transition: transform 0.2s;
}
.theme-toggle:hover { transform: scale(1.08); }

/* ============================================
   ヒーロー
   ============================================ */
.hero {
  max-width: 1120px;
  margin: 0 auto;
  padding: 88px 24px 48px;
  text-align: center;
}

.hero-eyebrow {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.25em;
  color: var(--text-sub);
  margin-bottom: 16px;
}

.hero-title {
  font-size: clamp(2.2rem, 6vw, 4rem);
  font-weight: 900;
  line-height: 1.3;
  letter-spacing: 0.02em;
}

.marker {
  background: linear-gradient(transparent 62%, var(--marker) 62%);
  padding: 0 0.1em;
}

.hero-sub {
  margin-top: 24px;
  color: var(--text-sub);
  font-size: 1.05rem;
}

.sp-only { display: none; }

/* ============================================
   フィルター
   ============================================ */
.filters {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px 32px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}

.filter-chip {
  padding: 9px 20px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text-sub);
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.25s;
}

.filter-chip:hover {
  color: var(--text);
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

.filter-chip.is-active {
  background: var(--accent-grad);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 6px 16px rgba(255, 90, 77, 0.35);
}

/* ============================================
   ベントーグリッド
   ============================================ */
/* 1行=2ブロック。カードは全て1ブロックで、
   size: "wide" を指定したものだけ2ブロック(全幅)になる */
.bento {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px 96px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  grid-auto-rows: minmax(150px, auto);
  grid-auto-flow: dense;
  gap: 16px;
}

.card {
  grid-column: span 1;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 12px;
  /* カードは行の高さまで引き伸ばされる。余った分を1箇所に溜めず
     各要素の間に均等配分し、不自然な空白が開かないようにする */
  justify-content: space-between;
  position: relative;
  overflow: hidden;
  transition: transform 0.3s, box-shadow 0.3s, opacity 0.5s, translate 0.5s;
  /* フェードイン初期状態 */
  opacity: 0;
  translate: 0 24px;
}

.card.is-visible {
  opacity: 1;
  translate: 0 0;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
}

.card--wide { grid-column: span 2; }

/* 非表示（フィルター） */
.card.is-hidden { display: none; }

/* --- カード内部 --- */
.card-head {
  display: flex;
  align-items: center;
  gap: 14px;
}

.card-icon {
  width: 52px; height: 52px;
  flex-shrink: 0;
  border-radius: 16px;
  display: grid;
  place-items: center;
  font-size: 1.6rem;
  background: var(--chip-bg);
}


.card-badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 3px 10px;
  border-radius: 999px;
  color: #fff;
}

.card-status {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 3px 10px;
  border-radius: 999px;
  margin-left: 6px;
  border: 1px solid transparent;
}

/* 開発中 — 進行中を示す琥珀 */
.card-status--wip {
  color: #b45309;
  background: rgba(255, 176, 0, 0.14);
  border-color: rgba(255, 176, 0, 0.45);
}
:root[data-theme="dark"] .card-status--wip { color: #fbbf24; }

/* R-18 — 注意を促す赤 */
.card-status--r18 {
  color: #be123c;
  background: rgba(244, 63, 94, 0.12);
  border-color: rgba(244, 63, 94, 0.45);
}
:root[data-theme="dark"] .card-status--r18 { color: #fb7185; }

/* 公開中止中 / 限定公開 — 主張しないグレー */
.card-status--muted {
  color: var(--text-sub);
  background: var(--chip-bg);
  border-color: var(--border);
}

.card-note {
  font-size: 0.8rem;
  line-height: 1.6;
  color: var(--text-sub);
  padding: 10px 14px;
  border-radius: 12px;
  background: var(--chip-bg);
  border-left: 3px solid var(--border);
}

.badge-web       { background: linear-gradient(120deg, #38bdf8, #2563eb); }
.badge-discord   { background: linear-gradient(120deg, #818cf8, #5865f2); }
.badge-tool      { background: linear-gradient(120deg, #34d399, #059669); }
.badge-extension { background: linear-gradient(120deg, #fbbf24, #f59e0b); }
.badge-mobile    { background: linear-gradient(120deg, #f472b6, #ec4899); }

.card-title {
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1.4;
}


.card-desc {
  font-size: 0.9rem;
  color: var(--text-sub);
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.card-tag {
  font-size: 0.72rem;
  font-weight: 500;
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--chip-bg);
  color: var(--text-sub);
}

/* 無料枠のスリープ復帰待ちを事前に伝える一文 */
.card-wake {
  font-size: 0.75rem;
  line-height: 1.6;
  color: var(--text-sub);
  opacity: 0.85;
}

.card-wake::before {
  content: "⏳ ";
}

.card-links {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  padding-top: 4px;
}

.card-link {
  font-size: 0.82rem;
  font-weight: 600;
  text-decoration: none;
  color: #fff;
  background: var(--accent-grad);
  padding: 8px 18px;
  border-radius: 999px;
  transition: transform 0.2s, box-shadow 0.2s;
}

.card-link:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(255, 90, 77, 0.4);
}

.card-link--ghost {
  background: transparent;
  color: var(--text-sub);
  border: 1px solid var(--border);
}
.card-link--ghost:hover { box-shadow: var(--shadow-hover); }

/* --- 統計タイル --- */
.card--stats {
  background: var(--accent-grad);
  border: none;
  color: #fff;
  justify-content: center;
}

.stats-row {
  display: flex;
  justify-content: space-around;
  text-align: center;
  gap: 8px;
}

.stat-num {
  font-size: 2.4rem;
  font-weight: 800;
  line-height: 1.2;
  font-variant-numeric: tabular-nums;
}

.stat-label {
  font-size: 0.75rem;
  font-weight: 600;
  opacity: 0.9;
  letter-spacing: 0.05em;
}

/* ============================================
   フッター / トップへ戻る
   ============================================ */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 32px 24px;
  text-align: center;
  color: var(--text-sub);
  font-size: 0.85rem;
}

.to-top {
  position: fixed;
  right: 24px; bottom: 24px;
  width: 48px; height: 48px;
  border-radius: 50%;
  border: none;
  background: var(--accent-grad);
  color: #fff;
  font-size: 1.2rem;
  cursor: pointer;
  box-shadow: 0 8px 20px rgba(255, 90, 77, 0.4);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s, transform 0.2s;
  z-index: 60;
}

.to-top.is-shown {
  opacity: 1;
  pointer-events: auto;
}

.to-top:hover { transform: translateY(-3px); }

/* ============================================
   レスポンシブ
   ============================================ */
@media (max-width: 620px) {
  /* スマホは1列。全カードが同じ幅になる */
  .bento { grid-template-columns: 1fr; gap: 14px; }
  .card, .card--wide { grid-column: span 1; }
  .hero { padding-top: 56px; }
  .sp-only { display: inline; }
}

/* アニメーションを減らす設定のユーザーへ配慮 */
@media (prefers-reduced-motion: reduce) {
  .card { opacity: 1; translate: none; transition: none; }
  html { scroll-behavior: auto; }
}